package com.sinai.mshab.client.util;

public interface Observable {
	
	/**
	 * Adds a new observer to observe this object
	 * @param o the new observer
	 */
	public void addObserver (Observer o);
	
	/**
	 * Notifies all observers that this object has now changed.
	 */
	public void notifyObservers();
	
}
